<%= form_for @company,
             :url => '#', :builder => DistrictCnSelector::Helpers::FormBuilder,
             :html => {:class => 'form-horizontal'} do |f| %>
  <legend>form_for</legend>
  <%= f.district_select_ul :loc_code %>
  <div class="form-actions">
    <%= f.submit "提交", :class => "btn btn-success" %>
  </div>
<% end %>
